American Airlines Flight 4595 Deals & Information (2026/2027)

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American Airlines Flight 4595 Route Deals From $109

The cheapest prices found with in the last 7 days for return flights were $176 and $109 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 21 - Mon, Feb 23
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$176 Roundtrip, found 1 day ago
$176
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Feb 21 from O'Hare Intl. to Lambert-St. Louis Intl., returning Mon, Feb 23, priced at $176 found 1 day ago
Sat, Feb 21 - Mon, Feb 23
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$176 Roundtrip, found 1 day ago
$176
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Feb 21 from O'Hare Intl. to Lambert-St. Louis Intl., returning Mon, Feb 23, priced at $176 found 1 day ago
Sat, Feb 21 - Mon, Feb 23
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 1 day ago
$197
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Feb 21 from O'Hare Intl. to Lambert-St. Louis Intl., returning Mon, Feb 23, priced at $197 found 1 day ago
Sat, Feb 21 - Mon, Feb 23
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 1 day ago
$197
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Feb 21 from O'Hare Intl. to Lambert-St. Louis Intl., returning Mon, Feb 23, priced at $197 found 1 day ago
Sat, Feb 21 - Mon, Feb 23
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$228 Roundtrip, found 1 day ago
$228
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Feb 21 from O'Hare Intl. to Lambert-St. Louis Intl., returning Mon, Feb 23, priced at $228 found 1 day ago
Wed, Mar 25 - Sat, Mar 28
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$249 Roundtrip, found 7 hours ago
$249
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Mar 25 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Mar 28, priced at $249 found 7 hours ago
Wed, Apr 1 - Sat, Apr 4
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$255 Roundtrip, found 5 days ago
$255
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Apr 1 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Apr 4, priced at $255 found 5 days ago
Wed, Mar 25 - Sat, Mar 28
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$257 Roundtrip, found 7 hours ago
$257
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Mar 25 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Mar 28, priced at $257 found 7 hours ago
Wed, Mar 25 - Sat, Mar 28
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$258 Roundtrip, found 7 hours ago
$258
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Mar 25 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Mar 28, priced at $258 found 7 hours ago
Wed, Apr 1 - Sat, Apr 4
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$258 Roundtrip, found 5 days ago
$258
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Apr 1 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Apr 4, priced at $258 found 5 days ago
Wed, Mar 25 - Sat, Mar 28
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$260 Roundtrip, found 7 hours ago
$260
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Mar 25 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Mar 28, priced at $260 found 7 hours ago
Wed, Mar 25 - Sat, Mar 28
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$261 Roundtrip, found 7 hours ago
$261
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Mar 25 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Mar 28, priced at $261 found 7 hours ago